As with ham radio in general, this column has readers at all levels of technical expertise.  Ohm’s law might seem basic to many, but to others it’s seldom used and in the category of “once learned then forgotten.”  As a practicing EE, Ohm’s law is second nature to me.  It’s one of the lenses through which I view the everyday world.  I can’t see a transceiver, or a power supply, or an antenna, or power lines, or a toaster without thinking about how many amps, volts and/or watts are involved. Meanwhile, most of us are not EEs.  The good news […]